EN 10095 Grade X8CrNi25-21 solution annealed (+AT)

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Description

Application for parts in industrial furnaces, steam boiler, petroleum plants, for thermometer sheath tubes. Best resistance to nitrogenous, oxygen deficient gases. Heat-resistance in air up to 1050°C. (highest application temperature).

Related Standards

Equivalent Materials

This material data has been provided by WIAM.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

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Properties

General

PropertyTemperatureValue

Density

20.0 °C

7.76 - 7.9 g/cm³

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Mechanical

PropertyTemperatureValueComment

Elastic modulus

-269.0 °C

205.5 GPa

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-195.0 °C

205.5 GPa

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-100.0 °C

206 GPa

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20.0 °C

196 GPa

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27.0 °C

143.7 GPa

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100.0 °C

190 GPa

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200.0 °C

182 GPa

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300.0 °C

174 GPa

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400.0 °C

166 GPa

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500.0 °C

158 GPa

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600.0 °C

150 GPa

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700.0 °C

142 GPa

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800.0 °C

134 GPa

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900.0 °C

127 GPa

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1000.0 °C

120 GPa

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Elongation

20.0 °C

35 %

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Elongation A80

20.0 °C

33 %

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Hardness, Brinell

20.0 °C

192 [-]

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Poisson's ratio

-269.0 °C

0.3 [-]

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-195.0 °C

0.3 [-]

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27.0 °C

0.29 [-]

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Shear modulus

23.0 °C

77 GPa

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Typical for Austenitic Stainless Steel

Tensile strength

20.0 °C

500 - 700 MPa

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Yield strength Rp0.2

20.0 °C

210 MPa

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Yield strength Rp1.0

20.0 °C

250 MPa

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Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

-100.0 °C

1.49E-5 1/K

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20.0 °C

1.61E-5 1/K

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100.0 °C

1.67E-5 1/K

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200.0 °C

1.55E-5 - 1.72E-5 1/K

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300.0 °C

1.77E-5 1/K

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400.0 °C

1.7E-5 - 1.81E-5 1/K

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500.0 °C

1.84E-5 1/K

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600.0 °C

1.75E-5 - 1.88E-5 1/K

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700.0 °C

1.91E-5 1/K

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800.0 °C

1.85E-5 - 1.94E-5 1/K

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900.0 °C

1.97E-5 1/K

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1000.0 °C

1.9E-5 - 2E-5 1/K

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Max service temperature, long

0 - 1050 °C

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Melting point

1230 - 1480 °C

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Typical for Austenitic Stainless Steel

Specific heat capacity

-100.0 °C

440 J/(kg·K)

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20.0 °C

472 - 500 J/(kg·K)

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100.0 °C

487 J/(kg·K)

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200.0 °C

503 J/(kg·K)

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300.0 °C

512 J/(kg·K)

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400.0 °C

520 J/(kg·K)

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500.0 °C

530 J/(kg·K)

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600.0 °C

541 J/(kg·K)

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700.0 °C

551 J/(kg·K)

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800.0 °C

559 J/(kg·K)

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900.0 °C

565 J/(kg·K)

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1000.0 °C

571 J/(kg·K)

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Thermal conductivity

20.0 °C

11.9 - 15 W/(m·K)

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100.0 °C

13.3 W/(m·K)

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200.0 °C

15.1 W/(m·K)

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300.0 °C

16.7 W/(m·K)

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400.0 °C

18.3 W/(m·K)

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500.0 °C

19 - 19.8 W/(m·K)

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600.0 °C

21.3 W/(m·K)

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700.0 °C

22.8 W/(m·K)

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800.0 °C

24.3 W/(m·K)

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900.0 °C

25.7 W/(m·K)

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1000.0 °C

27.1 W/(m·K)

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Thermal diffusivity

20.0 °C

3.3 mm²/s

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100.0 °C

3.4 mm²/s

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200.0 °C

3.7 mm²/s

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300.0 °C

4.1 mm²/s

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400.0 °C

4.3 mm²/s

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500.0 °C

4.5 mm²/s

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600.0 °C

4.7 mm²/s

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700.0 °C

5 mm²/s

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800.0 °C

5.4 mm²/s

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900.0 °C

5.7 mm²/s

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1000.0 °C

5.8 mm²/s

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Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

8.5E-7 - 9.59E-7 Ω·m

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100.0 °C

1.01E-6 Ω·m

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200.0 °C

1.05E-6 Ω·m

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300.0 °C

1.1E-6 Ω·m

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400.0 °C

1.13E-6 Ω·m

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500.0 °C

1.17E-6 Ω·m

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600.0 °C

1.19E-6 Ω·m

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700.0 °C

1.22E-6 Ω·m

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800.0 °C

1.24E-6 Ω·m

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900.0 °C

1.26E-6 Ω·m

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1000.0 °C

1.28E-6 Ω·m

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Chemical properties

PropertyValue

Carbon

0.1 %

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Chromium

24 - 26 %

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Manganese

2 %

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Nickel

19 - 22 %

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Nitrogen

0.11 %

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Phosphorus

0.05 %

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Silicon

1.5 %

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Sulfur

0.015 %

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